Fix #6948.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@35624 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/frontends/qt4/GuiDocument.cpp b/src/frontends/qt4/GuiDocument.cpp
index 026e8acc034538cb0beb03eece2628f17615606b..db908944e23b53aa9cfe41d1fc83f52037f4068f 100644 (file)
--- a/src/frontends/qt4/GuiDocument.cpp
+++ b/src/frontends/qt4/GuiDocument.cpp
@@ -2786,7 +2786,7 @@ void GuiDocument::paramsToDialog()
        }
 
        // Master/Child
-       if (!buffer().hasChildren()) {
+       if (!bufferview() || !buffer().hasChildren()) {
                masterChildModule->childrenTW->clear();
                includeonlys_.clear();
                docPS->showPanel(qt_("Child Documents"), false);